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【JavaWeb】JSP动作元素

本文主要是介绍【JavaWeb】JSP动作元素，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

文章目录

  • 1.``动作元素
    • 1.1示例
  • 2.``动作元素
    • 2.1示例
  • 3书城JSP页面演示

1.<jsp:include>动作元素

在JSP 页面中，为了把其他资源的输出内容插入到当前JSP页面的输出内容中，JSP技术提供了<jsp:include>动作元素,<jsp:include>动作元素的具体语法格式如下所示。

<jsp:include page="relativeURL" flush="true lfalse"/>

在上述语法格式中，page属性用于指定被引入资源的相对路径;flush属性用于指定是否将当前页面的输出内容刷新到客户端,默认情况下，flush 属性的值为false。

1.1示例

新建include.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>include</title>
</head>
<body>
	<% Thread.sleep(5000); %>
	include 页面的中文--------->这个就是被包含页面。
</body>
</html>

新建dynamiclnclude.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>dynamiclnclude page</title>
</head>
<body>
	dynamiclnclude.jsp内的中文
	<br/>
	<jsp:include page="include.jsp" flush="true"></jsp:include>
</body>
</html>

启动Tomacat服务器
1

2.<jsp:forward>动作元素

<jsp:forward>动作元素将当前请求转发到其他Web 资源(HIMiL贝山、JS 贝图和Servle等)，在执行请求转发之后的当前页面将不再执行，而是执行该元素指正的日杯贝面。其具体语法格式如下所示。

<jsp:forward page="relativeURL"/>

2.1示例

新建jspforward.jsp

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN ">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
</head>
<body>
	转发到欢迎页面：
	<jsp:forward page="welcome.jsp"></jsp:forward>
</body>
</html>

新建welcome.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>welcome page</title>
</head>
<body>
	你好，欢迎进入首页，当前访问时间是：
	<% out.print(new java.util.Date()); %>
</body>
</html>

启动tomcat服务器
2

3书城JSP页面演示

代码：
index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>首页</title>
<link rel="stylesheet" href="css/main.css" type="text/css" />
<!-- 导入首页轮播图css和js脚本 -->
<link type="text/css" href="css/autoplay.css" rel="stylesheet" />
<script type="text/javascript" src="js/autoplay.js"></script>

</head>
<body class="main">
	<!-- 1.网上书城顶部 start -->
<div id="divhead">
	<table cellspacing="0" class="headtable">
		<tr>
			<td>
				<a href="#">
					<img src="images/logo.png" width="200" height="60" border="0" /> 
				</a>
			</td>
			<td style="text-align:right">
				<img src="images/cart.gif" width="26" height="23" style="margin-bottom:-4px" />&nbsp;<a href="#">购物车</a> 
				| <a href="#">帮助中心</a> 
				| <a href="#">我的帐户</a>
				| <a href="register.jsp">新用户注册</a>							
			 
			</td>		
		</tr>
	</table>
</div>
	<!-- 网上书城顶部  end -->

	<!--2. 网上书城菜单列表  start -->
<div id="divmenu">
		<a href="#">文学</a> 
		<a href="#">生活</a> 
		<a href="#">计算机</a> 
		<a href="#">外语</a> 
		<a href="#">经管</a>
		<a href="#">励志</a> 
		<a href="#">社科</a> 
		<a href="#">学术</a> 
		<a href="#">少儿</a>
		<a href="#">艺术</a> 
		<a href="#">原版</a> 
		<a href="#">科技</a> 
		<a href="#">考试</a> 
		<a href="#">生活百科</a> 
		<a href="#" style="color:#FFFF00">全部商品目录</a>		
</div>
<div id="divsearch">
<form action="#" id="searchform">
	<table width="100%" border="0" cellspacing="0">
		<tr>
			<td style="text-align:right; padding-right:220px">
				Search 
				<input type="text" name="textfield" class="inputtable" id="textfield" value="请输入书名"
				onmouseover="this.focus();"
				onclick="my_click(this, 'textfield');"
				onBlur="my_blur(this, 'textfield');"/> 
				<a href="#">
					<img src="images/serchbutton.gif" border="0" style="margin-bottom:-4px" onclick="search()"/> 
				</a>
			</td>
		</tr>
	</table>
</form>
</div>
<!-- 网上书城菜单列表  end -->

<!-- 3.网上书城首页轮播图  start -->
	<div id="box_autoplay">
    	<div class="list">
        	<ul>
            	<li><img src="ad/index_ad1.jpg" width="900" height="335" /></li>
            	<li><img src="ad/index_ad2.jpg" width="900" height="335" /></li>
            	<li><img src="ad/index_ad3.jpg" width="900" height="335" /></li>
            	<li><img src="ad/index_ad4.jpg" width="900" height="335" /></li>
            	<li><img src="ad/index_ad5.jpg" width="900" height="335" /></li>
        	</ul>
    	</div>
	</div>
	<!-- 网上书城首页轮播图  end -->
	<!--4. 公告板和本周热卖  start -->
    <div id="divcontent">
		<table width="900px" border="0" cellspacing="0">
			<tr>
				<td width="497">
				
					<img src="images/billboard.gif" width="497" height="38" />
					<table cellspacing="0" class="ctl">
						<tr>
							<td width="485" height="29">
                            尊敬的网上书城用户， 　　<br />
　　为了让大家有更好的购物体验，3月25日起，当日达业务关小黑屋回炉升级！<br />具体开放时间请留意公告，感谢大家的支持与理解，祝大家购物愉快！<br />
        3月23日<br />
        传智播客 网上书城系统管理部<br />
                            </td>
						</tr>
					</table>
				</td>
				<td style="padding:5px 15px 10px 40px">
					<table width="100%" border="0" cellspacing="0">
						<tr>
							<td>
								<img src="images/hottitle.gif" width="126" height="29" />
							</td>
						</tr>
					</table>
					<table width="100%" border="0" cellspacing="0">
						<tr>						
							<td style="width:80; text-align:center">
								<a href="#">
								<img src="bookcover/105.jpg" width="102" height="130" border="0" />
								</a>
								<br /> 
							</td>		
							<td style="width:80; text-align:center">
								<a href="#">
								<img src="bookcover/106.jpg" width="102" height="130" border="0" />
								</a>
								<br /> 
							</td>
						</tr>
					</table>
				</td>
			</tr>
		</table>
	</div>
<!-- 公告板和本周热卖  end -->	

<!--5. 网上书城底部 start -->
<div id="divfoot">
		<table width="100%" border="0" cellspacing="0" >
			<tr>
				<td rowspan="2" style="width:10%">
					<img src="images/logo.png" width="195" height="50"
					style="margin-left:175px" />
				</td>
				<td style="padding-top:5px; padding-left:50px">
					<a href="#">
						<font color="#747556"><b>CONTACT US</b></font> 
					</a>
				</td>
			</tr>
			<tr>
				<td style="padding-left:50px">
					<font color="#CCCCCC">
						<b>COPYRIGHT 2015 &copy; BookStore All Rights RESERVED.</b> 
					</font>
				</td>
			</tr>
		</table>
	</div>
	<!-- 网上书城底部  end -->
</body>
</html>

register.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>用户注册</title>
<link rel="stylesheet" href="css/main.css" type="text/css" />
<script type="text/javascript" src="js/form.js"></script>
</head>
<body class="main">
	<!-- 1.网上书城顶部 start -->
<div id="divhead">
	<table cellspacing="0" class="headtable">
		<tr>
			<td>
				<a href="index.jsp">
					<img src="images/logo.png" width="200" height="60" border="0" /> 
				</a>
			</td>
			<td style="text-align:right">
				<img src="images/cart.gif" width="26" height="23" style="margin-bottom:-4px" />&nbsp;<a href="#">购物车</a> 
				| <a href="#">帮助中心</a> 
				| <a href="#">我的帐户</a>
				| <a href="register.jsp">新用户注册</a>							
			 
			</td>		
		</tr>
	</table>
</div>
	<!-- 网上书城顶部  end -->
	<!--2. 网上书城菜单列表  start -->
<div id="divmenu">
		<a href="#">文学</a> 
		<a href="#">生活</a> 
		<a href="#">计算机</a> 
		<a href="#">外语</a> 
		<a href="#">经管</a>
		<a href="#">励志</a> 
		<a href="#">社科</a> 
		<a href="#">学术</a> 
		<a href="#">少儿</a>
		<a href="#">艺术</a> 
		<a href="#">原版</a> 
		<a href="#">科技</a> 
		<a href="#">考试</a> 
		<a href="#">生活百科</a> 
		<a href="#" style="color:#FFFF00">全部商品目录</a>		
</div>
<div id="divsearch">
<form action="#" id="searchform">
	<table width="100%" border="0" cellspacing="0">
		<tr>
			<td style="text-align:right; padding-right:220px">
				Search 
				<input type="text" name="textfield" class="inputtable" id="textfield" value="请输入书名"
				onmouseover="this.focus();"
				onclick="my_click(this, 'textfield');"
				onBlur="my_blur(this, 'textfield');"/> 
				<a href="#">
					<img src="images/serchbutton.gif" border="0" style="margin-bottom:-4px" onclick="search()"/> 
				</a>
			</td>
		</tr>
	</table>
</form>
</div>
<!-- 网上书城菜单列表  end -->
<!-- 3.网上书城用户注册  start -->
	<div id="divcontent" align="center">
		<form action="registersuccess.jsp" method="post" onsubmit="return checkForm();">
			<table width="850px" border="0" cellspacing="0">
				<tr>
					<td style="padding: 30px"><h1>新会员注册</h1>
						<table width="70%" border="0" cellspacing="2" class="upline">
							<tr>
								<td style="text-align: right; width: 20%">会员邮箱：</td>
								<td style="width: 40%">
								<input type="text" class="textinput"  id="email" name="email" onkeyup="checkEmail();"/>
								</td>
								<td colspan="2"><span id="emailMsg"></span><font color="#999999">请输入有效的邮箱地址</font></td>
							</tr>
							<tr>
								<td style="text-align: right">会员名：</td>
								<td><input type="text" class="textinput"  id="username" name="username" onkeyup="checkUsername();"/>
								</td>
								<td colspan="2"><span id="usernameMsg"></span><font color="#999999">字母数字下划线1到10位, 不能是数字开头</font></td>
							</tr>
							<tr>
								<td style="text-align: right">密码：</td>
								<td><input type="password" class="textinput"  id="password" name="password" onkeyup="checkPassword();"/></td>
								<td><span id="passwordMsg"></span><font color="#999999">密码请设置6-16位字符</font></td>
							</tr>
							<tr>
								<td style="text-align: right">重复密码：</td>
								<td>
								<input type="password" class="textinput"  id="repassword" name="repassword" onkeyup="checkConfirm();"/>
								</td>
								<td><span id="confirmMsg"></span>&nbsp;</td>
							</tr>
							<tr>
								<td style="text-align: right">性别：</td>
								<td colspan="2">&nbsp;&nbsp;
                                <input type="radio" name="gender" value="男" checked="checked" /> 男
									&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
									<input type="radio" name="gender" value="女" /> 女
								</td>
								<td>&nbsp;</td>
							</tr>
							<tr>
								<td style="text-align: right">联系电话：</td>
								<td colspan="2">
								<input type="text" class="textinput"
									style="width: 350px" name="telephone" />
								</td>
								<td>&nbsp;</td>
							</tr>
							<tr>
								<td style="text-align: right">个人介绍：</td>
								<td colspan="2">
								<textarea class="textarea" name="introduce"></textarea>
								</td>
								<td>&nbsp;</td>
							</tr>
						</table>

						<table width="70%" border="0" cellspacing="0">
							<tr>
								<td style="padding-top: 20px; text-align: center">
									<input type="image" src="images/signup.gif" name="submit" border="0"/>
								</td>
							</tr>
						</table>
					</td>
				</tr>
			</table>
		</form>
	</div>
    <!-- 网上书城用户注册  end -->
	<!--4. 网上书城下方显示 start -->
<div id="divfoot" align="center">
		<table width="100%" border="0" cellspacing="0" >
			<tr>
				<td rowspan="2" style="width:10%">
					<img src="images/logo.png" width="195" height="50"
					style="margin-left:175px" />
				</td>
				<td style="padding-top:5px; padding-left:50px">
					<a href="#">
						<font color="#747556"><b>CONTACT US</b></font> 
					</a>
				</td>
			</tr>
			<tr>
				<td style="padding-left:50px">
					<font color="#CCCCCC">
						<b>COPYRIGHT 2015 &copy; BookStore All Rights RESERVED.</b> 
					</font>
				</td>
			</tr>
		</table>
		</div>
       <!--4. 网上书城下方显示 start -->
</body>
</html>

registersuccess.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<center>
	<font color="green" size="7">注册成功</font>
	</center>
</body>
</html>

regDemo.jsp（由于字符编码问题，占时还没解决）

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> ±íµ¥Ð£Ñé </title>

 </head>

 <body>
			<h3>×¢²áÒ³Ãæ</h3>
			<form action="registersuccess.jsp" method="get" onsubmit="return checkForm();" >
				   Óû§Ãû£º<input type="text" name="username" id="usernameId" onkeyup="checkName();"/>
							<span id="usernameMsg"></span><br/><br/>
				    ÃÜÂ룺 <input type="password" name="password" id="passwordId" onkeyup="checkPassword();"/>
					        <span id="passwordMsg"></span><br/><br/>
				    ÊÖ»úºÅ£º<input type="text" name="phone" id="phoneId" onkeyup="checkPhone();" />
							<span id="phoneMsg"></span><br/><br/>
						    <input type="submit" value="×¢²á" />
		   </form>
			
 </body>
	<script type="text/javascript">
	/*±íµ¥Ð£Ñé*/
	//1.¶¨ÒåÈ«¾Ö±äÁ¿ÓÃÀ´½ÓÊÕ±ê¼Ç¶ÔÏó
	 var usernameObj;
	 var passwordObj;
	 var phoneObj;
	 var usernameMsg;
	 var passwordMsg;
	 var phoneMsg;
  //2.»ñÈ¡±ê¼Ç¶ÔÏó
    window.onload=function(){
		//2.1»ñÈ¡ÊäÈë¿Ø¼þµÄ±ê¼Ç¶ÔÏó
		usernameObj = document.getElementById("usernameId");
		passwordObj = document.getElementById("passwordId");
		phoneObj = document.getElementById("phoneId");
		//2.2 »ñÈ¡´íÎóÐÅÏ¢µÄ±ê¼Ç¶ÔÏó
		usernameMsg = document.getElementById("usernameMsg");
		passwordMsg = document.getElementById("passwordMsg");
		phoneMsg= document.getElementById("phoneMsg");
	
	}
	//±íµ¥Ð£Ñé,ͨ¹ý·µ»Øtrue»òÕßflase À´¿ØÖÆ±íµ¥ÊÇ·ñÌá½»¡£
	function checkForm(){
	 var usernameFlag= checkName();
	 var passwordFlag = checkPassword();
	 var phoneFlag = checkPhone();
	 return usernameFlag && passwordFlag && phoneFlag;
	
	}


	//3.УÑéÓû§Ãû
	function checkName(){
		//3.1»ñÈ¡Óû§Ãû
		 var value = usernameObj.value;
		//3.2 ´´½¨ÕýÔò±í´ïʽÀ´Ð£ÑéÓû§Ãû
		 var regex=/^[a-zA-Z]\w{3,6}$/; // Óû§ÃûÒÔ²»·Ö´óСдµÄ×Öĸ¿ªÊ¼£¬°üº¬×Öĸ¡¢Êý×Ö¡¢Ï»®Ïߣ¬³¤¶È4-7λ
		//3.3 УÑé 
		if(value==""){ // !value µÈͬÓÚ value==""
			 usernameMsg.innerHTML = "Óû§Ãû±ØÐëÌîд";
			 return false;
		} else if( !regex.test(value)){
			usernameMsg.innerHTML = "Óû§Ãû±ØÐëÒÔ×Öĸ¿ªÊ¼£¬²»Çø·Ö´óСд£¬°üº¬Êý×Ö¡¢×Öĸ¡¢Ï»®Ïߣ¬³¤¶È4-7λ";
			return false;
		}else {
			usernameMsg.innerHTML ="";
			 return true;
		
	  }
	
	}
	// 4.УÑéÃÜÂë
	 function checkPassword(){
		//4.1 »ñÈ¡Óû§ÊäÈëµÄÃÜÂë
		var value = passwordObj.value;
		//4.2 ´´½¨ÕýÔò±í´ïʽ
		 var regex = /^[a-zA-Z0-9]{3,6}$/;//ÃÜÂëÊÇ×ÖĸºÍÊý×Ö×é³É£¬³¤¶ÈÊÇ3-6λ
		//4.3 УÑé
		if(!value){
			passwordMsg.innerHTML = "|ÃÜÂë²»ÄÜΪ¿Õ";
			return false;
		}else if(!regex.test(value)){
			passwordMsg.innerHTML = "ÃÜÂëÊÇ×ÖĸºÍÊý×Ö×é³É£¬³¤¶ÈÊÇ3-6λ";
			return false;
		}else {
			passwordMsg.innerHTML = "";
			return true;
		}
	
		
	}
	// 5.УÑéÊÖ»úºÅ
		function checkPhone(){
		
		//5.1 »ñÈ¡ÊÖ»úºÅ
		var value = phoneObj.value;
		//4.2 ´´½¨ÕýÔò±í´ïʽ
		 var regex = /^1[3|5|7|8][0-9]{9}$/;//ÊÖ»úºÅ¿ªÊ¼1£¬µÚ¶þλÊÇ3£¬»òÕß5£¬»òÕß7£¬»òÕß8£¬ºóÃæ9λÈÎÒâд
		//4.3 УÑé
		if(!value){
			phoneMsg.innerHTML = "ÊÖ»úºÅΪ¿Õ";
			return false;
		}else if(!regex.test(value)){
			phoneMsg.innerHTML = "ÊÖ»úºÅ·ûºÏ¹æ·¶";
			return false;
		}else {
			phoneMsg.innerHTML = "";
			return true;
		}
		
		
		}
	</script>
</html>

运行效果：
3

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